NYC-WTC_000199812

Z z o o i 1^ TABLE 18. SUMMARY OF RESULTS OF TRANSMISSION ELECTRON MICROSCOPY ANALYSES co

■D o FOR ASBESTOS IN DUST AND DEBRIS c o CT o CD o' CD 45 WARREN STREET, NEW YORK CITY "0 CO o tn o 9L STRUCTURES GREATER THAN 0.5 MICROMETER O o o c Concentration 3 o 3 Approximate Number of of Dispersal Volume Analytical Collection Type of Asbestos Asbestos Sample Volume Filtered Sensitivity Area Asbestos Structures Structures mL mL structures/cm^ cm^ Detected on Surface structures/cm’

Sample 45WAR-2-D1, 9/18/01 Chrysotile 174 29000 2nd Floor, Living Room 14710 500 1.0 165 Amphibole 0 <500 Table Near Window w Wipe Sample Total 174 29000 ts)

Sample 45WAR-2-D2, 9/18/01 Chrysotile 211 470000 2nd Floor, Living Room 3716 500 0.3 2240 Amphibole 1 2200 Window Sill Wipe Sample Total 212 470000

Sample 45WAR-5-D1, 9/18/01 Chrysotile 264 460000 5 th Floor, Dining Room <5300 13316 500 0.1 1760 Amphibole 0 Large Dining Table Wipe Sample Total 264 460000

Sample 45WAR-5-D2, 9/18/01 Chrysotile 110 110000 o 5th Floor, Roof Level Office 2439 500 1.0 980 Amphibole 0 <3000 H Green Wooden Chair Wipe Sample Total 110 110000 I—i s Q I—i o o Io o

co o NO o